Table 1

δ18O and δ17O analyses of lunar samples. n, number of analyses; p, powdered sample; f, large fragment; 1σ, 1 standard deviation; qtz., quartz; norm., normal; ol., olivine.

NumberRock typenSample typeδ18O ± 1σδ17O ± 1σΔ17O ± 1σ
Mare basalts
12011Pigeonite basalt2p5.56 ± 0.022.92 ± 0.010.007 ± 0.023
12045Ilmenite basalt2p5.34 ± 0.072.81 ± 0.05−0.004 ± 0.010
15058Qtz-norm. basalt2f5.53 ± 0.072.89 ± 0.030.013 ± 0.011
15385Picritic basalt1p5.562.930.003
15476Qtz-norm.basalt2p5.58 ± 0.012.93 ± 0.030.008 ± 0.024
15555Ol-norm.basalt2p5.36 ± 0.062.82 ± 0.03−0.015 ± 0.001
15556Ol-norm.basalt1f5.472.88 ± 0.050.015
15668Ol-norm.basalt1f5.552.920.007
10029High-Ti basalt1f5.432.85−0.003
70035High-Ti basalt2p5.38 ± 0.022.82 ± 0.010.005 ± 0.000
71566High-Ti basalt2p5.31 ± 0.012.80 ± 0.000.018 ± 0.002
71597High-Ti basalt2p5.36 ± 0.062.83 ± 0.030.013 ± 0.006
71539High-Ti basalt1f5.362.810.000
75075HHigh-Ti basalt2p5.23 ± 0.032.76 ± 0.020.003 ± 0.003
77516High-Ti basalt1p5.302.790.015
KREEP basalts
153821p5.572.920.006
153862p5.33 ± 0.042.80 ± 0.030.000 ± 0.012
Highland rocks
15415Fe-anorthosite2p5.99 ± 0.023.14 ± 0.01−0.008 ± 0.000
60025Fe-anorthosite2p5.77 ± 0.073.02 ± 0.040.000 ± 0.008
62255Fe-anorthosite2p5.94 ± 0.113.11 ± 0.06−0.003 ± 0.001
65315Fe-anorthosite2p5.59 ± 0.092.93 ± 0.060.006 ± 0.014
76536TTroctolite1f5.703.000.009
77215Norite2p5.50 ± 0.042.89 ± 0.010.000 ± 0.006
Lunar Volcanic glasses
15426Green1p5.622.940.000
74220Orange1p5.442.85−0.003
74241Orange2f5.83 ± 0.043.06 ± 0.02−0.012 ± 0.006
“Breccias”
10061BBreccia clast1p5.432.840.015
10065BBreccia clast1f5.753.030.001
60666Glassy impact melt1f5.512.880.000
79155Partialy glass coated gabbro1f6.133.22−0.014
Meteorite
ALH 810051f5.702.990.000